Horizon L4-97 1589cc 1.6L VIN A (PEUGEOT) 2-BBL (1983)
Piston: Service and Repair
Fig. 10 Piston installation
When installing piston and connecting rod assembly, notches on pistons 1 and 3 must face toward flywheel end of engine and notches on pistons 2 and 4
must be facing timing chain, Fig. 10.